When it comes to eye injury, however, people in our military have a higher risk than many other people. And veterans of the Iraq or Afghanistan wars are more likely than those who served in earlier wars to have vision loss as a result of traumatic brain injury (TBI). Higher rates of TBI in these recent wars can be attributed to two factors: explosive devices have been a major cause of injury, and improved body armor has enabled soldiers to survive more serious injuries. Read more about TBI in veterans.